Uncategorized
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Health & MedicineWhat makes cells stop dividing and growing
Scientists have found that the protein GATA4 helps control cellular senescence, and may be a target for treating aging-related diseases.
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PaleontologyNew dinosaur identified in Alaska
New species of duck-billed dinosaur discovered in the Alaskan permafrost.
By Meghan Rosen -
LifeFor people, mealtime is all the time
People eat for most of their waking hours, which may affect sleep and weight.
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NeuroscienceSeparate cell types encode memory’s time, place
Cells called ocean cells help store a memory’s “where,” while other cells called island cells help store a memory’s “when.”
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Health & MedicineHaving sex doesn’t trigger heart attacks, study suggests
Sex doesn’t trigger heart attacks, study of patients with cardiovascular disease suggests.
By Meghan Rosen -
AnthropologyMore than 9,000-year-old decapitated head discovered in Brazil
Human decapitation goes back more than 9,000 years in the Americas.
By Bruce Bower -
CosmologyComplexity in the universe, hidden craters and more reader feedback
Readers discuss order and disorder in the universe, the languages of science communication and more.
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Health & MedicineCoffee serves up surprising health benefits
Reporting on the current state of research allows readers to see beyond the single, sometimes conflicting public health messages that medical studies produce.
By Eva Emerson -
AnimalsThese fish would rather walk
Slowpokes of the sea, frogfish and handfish creep along the ocean bottom.
By Susan Milius -
Quantum PhysicsQuantum choice can be counterproductive
In a puzzling paradox, delivering quantum messages becomes more difficult if the intended recipient offers the sender multiple options for the time and place of delivery.
By Andrew Grant -
Planetary Science‘The Martian’ is entertaining science fiction rooted in fact
With NASA’s help, filmmakers made story of astronaut stranded on Mars believable.
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AnthropologyHanded-down tales tell of ancient sea level rise
Australian Aborigines tell tales of actual, ancient sea-level rises, a contested study finds.
By Bruce Bower